Calculate kinematic viscosity or drain time for various viscosity cups. Input a known value and cup type to find the unknown, with visual indicators for valid measurement ranges. Helps select the appropriate cup for accurate testing.





47+ iOS apps & games curated and reviewed
BSICoS is the household name in bsicos, but it's far from the only option. We track 47+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | |
| 2 | Free | 5.0★ (6) | No | No | May 2026 | |
| 3 | Free | 3.0★ (2) | No | No | May 2026 | |
| 4 | $2.99 | — | No | No | May 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | Free | 4.5★ (19) | Yes | No | May 2026 | |
| 7 | Free | 5.0★ (2) | No | Yes | Sep 2026 | |
| 8 | Free | 4.1★ (17) | No | No | Aug 2026 |









Calculate kinematic viscosity or drain time for various viscosity cups. Input a known value and cup type to find the unknown, with visual indicators for valid measurement ranges. Helps select the appropriate cup for accurate testing.



This application serves as a calculator for converting viscosity and temperature values for petroleum fuels. It allows users to convert Kinematic Viscosity in Centistokes to desired target values across different temperature scales. In landscape mode, it transforms into a slider for visual comparison of viscosity units.






This app offers pastry professionals a suite of tools for recipe development, including essential recipes, chocolate pairing guides, and conversion utilities. It's designed to inspire and streamline the creative process for chefs.


This app provides instant, accurate engine oil specifications and car maintenance guidance tailored to your vehicle. It removes the guesswork from oil changes, helping you avoid costly mistakes and protect your engine.


Manage personal and business finances in a single application. Access card management, view transaction history with filtering, and perform card-to-card currency exchanges.


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This app converts flow times into viscosity measurements for a specific range of flow cups. It also calculates corrections for a salt contamination meter when used with high-purity filter papers.


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This utility app provides a comprehensive calculator for fluid mechanics, civil, and structural engineering parameters. It offers over 130 formulas and 360 calculation methods, supporting seamless unit system switching for analysis, design, and operation of fluid-related systems.




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This application provides engineers, technicians, and students with a comprehensive set of tools for petroleum property calculations. It offers features for unit conversion, crude oil blending, viscosity prediction, and distillation curve analysis, all accessible offline.


This app facilitates quick conversions for basis weight, caliper, density, and burst/Mullen values. It also calculates product properties like viscosity, roll weight/length, and air dry percentage, including a TAPPI roll identification chart.

